Rising concentrations of climate-altering carbon dioxide in the atmosphere have little to do with surging forest cover in some countries, according to a new study. “Weather observations confirm indisputably that…

Straddling the interface of land and sea, mangrove forests are of two worlds. Their branches provide homes for lizards, snakes and nesting birds, while their roots, when submerged, become protective nurseries…

In a move described as “unprecedented,” Colombia’s president Juan Manuel Santos announced Tuesday that the country intends to add 8 million hectares (80,000 square kilometers or 31,000 square miles) to…

East Africa’s Albertine Rift extends nearly a thousand miles from the border between northwestern Uganda and northeastern DRC down through Rwanda and Burundi to Malawi. Dotted with mountains and pockmarked…